/usr/share/mcollective/plugins/ is in mcollective-common 2.0.0+dfsg-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/mcollective/plugins/mcollective/
/usr/share/mcollective/plugins/mcollective/agent/
/usr/share/mcollective/plugins/mcollective/agent/discovery.rb
/usr/share/mcollective/plugins/mcollective/agent/rpcutil.ddl
/usr/share/mcollective/plugins/mcollective/agent/rpcutil.rb
/usr/share/mcollective/plugins/mcollective/application/
/usr/share/mcollective/plugins/mcollective/application/controller.rb
/usr/share/mcollective/plugins/mcollective/application/facts.rb
/usr/share/mcollective/plugins/mcollective/application/find.rb
/usr/share/mcollective/plugins/mcollective/application/help.rb
/usr/share/mcollective/plugins/mcollective/application/inventory.rb
/usr/share/mcollective/plugins/mcollective/application/ping.rb
/usr/share/mcollective/plugins/mcollective/application/plugin.rb
/usr/share/mcollective/plugins/mcollective/application/rpc.rb
/usr/share/mcollective/plugins/mcollective/audit/
/usr/share/mcollective/plugins/mcollective/audit/logfile.rb
/usr/share/mcollective/plugins/mcollective/connector/
/usr/share/mcollective/plugins/mcollective/connector/activemq.rb
/usr/share/mcollective/plugins/mcollective/connector/stomp.rb
/usr/share/mcollective/plugins/mcollective/facts/
/usr/share/mcollective/plugins/mcollective/facts/yaml_facts.rb
/usr/share/mcollective/plugins/mcollective/pluginpackager/
/usr/share/mcollective/plugins/mcollective/pluginpackager/debpackage_packager.rb
/usr/share/mcollective/plugins/mcollective/pluginpackager/ospackage_packager.rb
/usr/share/mcollective/plugins/mcollective/pluginpackager/rpmpackage_packager.rb
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/debian/
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/debian/Makefile.erb
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/debian/changelog.erb
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/debian/compat.erb
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/debian/control.erb
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/debian/copyright.erb
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/debian/rules.erb
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/redhat/
/usr/share/mcollective/plugins/mcollective/pluginpackager/templates/redhat/rpm_spec.erb
/usr/share/mcollective/plugins/mcollective/registration/
/usr/share/mcollective/plugins/mcollective/registration/agentlist.rb
/usr/share/mcollective/plugins/mcollective/security/
/usr/share/mcollective/plugins/mcollective/security/aes_security.rb
/usr/share/mcollective/plugins/mcollective/security/psk.rb
/usr/share/mcollective/plugins/mcollective/security/ssl.rb